CN220232027U - Sealing structure of watertight connector - Google Patents

Abstract

The utility model relates to a watertight connector sealing structure in the technical field of optical connectors, which comprises a plug assembly, wherein the plug assembly comprises a plug shell, a plug main body is arranged in the plug shell, two electric jacks are arranged in an inner hole of the plug main body, a threaded ring is sleeved outside the plug shell, a wave spring is sleeved on one side of the threaded ring and on the outer surface of the plug shell, a first ratchet ring is sleeved on one side of the wave spring and on the outer surface of the plug shell, a second ratchet ring is sleeved on one side of the first ratchet ring and on the outer surface of the plug shell, and the watertight connector sealing structure adopts a plurality of sealing rings and rubber pads.

Description

Sealing structure of watertight connector

Technical Field

The utility model relates to the technical field of optical connectors, in particular to a watertight connector sealing structure.

Background

The optical movable connector, commonly called a movable joint, is a reusable passive device for connecting two optical fibers or optical cables to form a continuous optical path, and has been widely applied to optical fiber transmission lines, optical fiber distribution frames, optical fiber testing instruments and meters, and is the optical passive device with the largest use amount.

To some extent, the reliability and performance of the optical transmission system are also affected by the fiber optic connectors, and when any fiber optic system is installed, it must be considered that the optical fibers or cables are connected to each other in a low-loss manner to achieve the connection of the optical links. The splicing of fiber optic links can be divided into permanent and active types. Permanent connection is mostly realized by adopting a fusion method, an adhesion method or a fixed connector; the connection of the activity is generally realized by adopting an active connector.

In the use scene of the photoelectric connector, the situation that the photoelectric connector needs to be used under deep water sometimes occurs, but the general photoelectric connector does not have the capability of normally working under deep water, and meanwhile, the joint is easy to fall off in a complex environment under deep water, so that the problem is solved, and a watertight connector sealing structure is provided.

Disclosure of Invention

Aiming at the problems, the utility model provides a watertight connector sealing structure which has the capability of normal operation under deep water and good waterproof effect.

The technical scheme of the utility model is as follows:

the utility model provides a watertight connector seal structure, includes the plug subassembly, the plug subassembly includes the plug shell, the internally mounted of plug shell has the plug main part, install two electric jacks in the hole of plug main part, the screw thread ring has been cup jointed to the outside of plug shell, the wave spring has been cup jointed on one side of the surface of plug shell and being located the screw thread ring, first ratchet ring has been cup jointed on the surface of plug shell and being located one side of wave spring, the surface of plug shell and being located one side of first ratchet ring have cup jointed the second ratchet ring, protruding tooth looks adaptation on first ratchet ring and the second ratchet ring, the surface of plug shell and the internally mounted who is located the screw thread ring have two plug sealing washer.

In further technical scheme, the tail attaches the subassembly and includes the extension bar, extension bar sealing washer is installed to the inside one end of extension bar, the clamping ring is installed to the inside other end of extension bar, the clamping ring sealing washer has been cup jointed to the surface of clamping ring, extension bar tail end is installed to the one end screw thread of extension bar.

In a further technical scheme, the top end and the bottom end of the outer surface of the plug housing of the press ring are respectively provided with a thread groove, the press ring is fixed at one end of the inside of the extension bar by adopting two headless screws, and the middle part of the press ring is provided with a through hole.

In further technical scheme, socket subassembly is installed to the other end of plug subassembly, socket subassembly includes socket shell, socket shell's internally mounted has socket main part, install two electric contact pins in the hole of socket main part, the main part rubber pad is installed to socket main part's one end, socket packing ring is installed to one side of main part rubber pad, the ring flange rubber pad is installed to socket shell's one end.

In a further technical scheme, the socket shell is provided with threads at one end of the outer surface, the threads are matched with externally reserved threaded holes, and the flange rubber pad is used for sealing with the chassis.

The beneficial effects of the utility model are as follows:

the device adopts a plurality of sealing rings and rubber pads, has fine sealing effect, and two ratchet rings that set up simultaneously can realize anti vibration anticreep effect for the device possesses the ability at deep water operation, and also can not cause the joint to drop in the complex environment under the deep water, has improved the performance of the device, has realized the IP68 level watertight seal of whole connector.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1 according to the embodiment of the present utility model;

FIG. 3 is a schematic view of a wave spring according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a socket assembly according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a plug housing; 2. a plug main body; 3. an electrical jack; 4. a plug seal ring; 5. a threaded ring; 6. a wave spring; 7. a first ratchet ring; 8. a second ratchet ring; 9. an extension bar; 10. a tail cap of the extension rod; 11. a compression ring; 12. a rod lengthening sealing ring; 13. a compression ring seal ring; 14. a socket housing; 15. a socket main body; 16. an electrical pin; 17. socket gasket; 18. a main body rubber pad; 19. and a flange rubber pad.

Detailed Description

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

Examples:

as shown in fig. 1 to 4, in a watertight connector sealing structure, a plug main body 2 is installed inside a plug housing 1, two electric jacks 3 are installed inside an inner hole of the plug main body 2, a threaded ring 5 is sleeved outside the plug housing 1, a wave spring 6 is sleeved on one side of the threaded ring 5 on the outer surface of the plug housing 1, a first ratchet ring 7 is sleeved on one side of the wave spring 6 on the outer surface of the plug housing 1, a second ratchet ring 8 is sleeved on one side of the first ratchet ring 7 on the outer surface of the plug housing 1, protruding teeth on the first ratchet ring 7 and the second ratchet ring 8 are mutually matched, two plug sealing rings 4 are installed on the outer surface of the plug housing 1 and inside the threaded ring 5, an extension rod 9 is installed at one end of the plug housing 1, extension bar sealing washer 12 is installed to the inside one end of extension bar 9, the screw thread groove has all been seted up to the surface top and the bottom of the plug shell 1 of clamping ring 11, the clamping ring 11 adopts two headless screw fixation to be in the inside one end of extension bar 9, and the through-hole has been seted up at the middle part of clamping ring 11, clamping ring sealing washer 13 has been cup jointed to the surface of clamping ring 11, extension bar tail end 10 is installed to the one end screw thread of extension bar 9, socket shell 14 is installed to the other end of plug shell 1, socket shell 14 internally mounted has socket main part 15, install two electric contact pins 16 in the hole of socket main part 15, main part rubber pad 18 is installed to one side of socket main part rubber pad 18, ring flange rubber pad 19 is installed to the one end of socket shell 14.

The plug assembly comprises a plug shell 1, a plug main body 2, an electric jack 3, a plug sealing ring 4, a threaded ring 5, a wave spring 6, a first ratchet ring 7 and a second ratchet ring 8, wherein parts inside the plug shell 1 are used for realizing the basic function of the photoelectric communication of the connector, the plug main body 2 is installed in the plug shell 1, and the electric jack 3 is installed in an inner hole of the plug main body 2. The external part of the plug housing 1 is used for realizing the anti-vibration and anti-falling functions of the connector, the threaded ring 5 is sleeved on the plug housing 1, then the wave spring 6 is sleeved in sequence, the first ratchet ring 7 and the second ratchet ring 8 are matched with each other according to the reserved protrusions and grooves, the first ratchet ring 7 and the threaded ring 5 are mutually positioned, the second ratchet ring 8 and the plug housing 1 are mutually positioned according to the reserved protrusions and grooves, the protruding teeth on the two ratchet rings are mutually matched, the two ratchet wheels are mutually attached under the elastic force of the wave spring 6 and can only rotate towards a single direction but cannot be reversed, so that the threaded ring 5 and the socket are not retreated to loosen the threads after being screwed, and the anti-vibration and anti-falling functions are realized.

The tail attaches the subassembly and assembles the tail end at plug subassembly, two subassemblies have realized plug connector's watertight function jointly, the tail attaches the subassembly and includes extension 9, extension tail lid 10, clamping ring 11, extension sealing washer 12, clamping ring sealing washer 13, the tail attaches the screw thread on the subassembly through extension 9 and plug shell 1 adaptation, extension sealing washer 12 receives the extrusion after screwing up and has realized the seal of butt joint screw thread department, clamping ring 11 in the in-process hole compression optical cable and encapsulating fixed seal, clamping ring sealing washer 13 on it and extension 9 inner wall adaptation and receive the extrusion to realize the seal between clamping ring 11 and the extension 9, the sealing function at plug connector afterbody has been realized jointly to above-mentioned 3 seals.

The socket assembly comprises a socket shell 14, a socket main body 15, electric pins 16, a socket gasket 17, a main body rubber gasket 18 and a flange rubber gasket 19, wherein the socket main body 15 is arranged in the socket shell 14, the electric pins 16 are arranged in an inner hole of the socket main body 15, the main body rubber gasket 18 is arranged on the end face of the main body, the socket gasket 17 is arranged at the bottom of a socket hole, generally, the socket is fixed on a case or other installation positions reserved in advance, and after the socket is installed, the flange rubber gasket 19 is extruded to realize the sealing between the socket and the case; when the panel is not installed, the screw thread of the socket tail is the same as the screw thread of the plug tail, so that the socket tail is only required to be provided with the plug assembly, and the sealing function of the socket tail can be realized.

When the plug is in butt joint with the socket, the threaded ring 5 is matched with threads on the socket shell 14, the front end of the plug shell 1 presses the socket gasket 17, the two plug sealing rings 4 on the side face of the plug shell 1 are in contact with the inner wall of the socket shell 14 and are pressed, sealing of the butt joint of the plug and the socket is achieved, the main rubber gasket 18 on the end face of the socket main body 15 is pressed by the plug main body 2 and the socket main body 15, sealing of the butt joint of the inserting core is achieved, and through the sealing design, IP 68-level watertight sealing of the whole connector is finally achieved.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (5)

1. The utility model provides a watertight connector seal structure, includes plug subassembly, its characterized in that: the plug assembly comprises a plug housing (1), a plug main body (2) is mounted in the plug housing (1), two electric jacks (3) are mounted in an inner hole of the plug main body (2), a threaded ring (5) is sleeved outside the plug housing (1), a wave spring (6) is sleeved on the outer surface of the plug housing (1) and located on one side of the threaded ring (5), a first ratchet ring (7) is sleeved on the outer surface of the plug housing (1) and located on one side of the wave spring (6), a second ratchet ring (8) is sleeved on the outer surface of the plug housing (1) and located on one side of the first ratchet ring (7), protruding teeth on the first ratchet ring (7) and protruding teeth on the second ratchet ring (8) are mutually matched, and two plug sealing rings (4) are mounted on the outer surface of the plug housing (1) and located on one side of the threaded ring (5).

2. The watertight connector sealing structure according to claim 1, characterized in that: the plug is characterized in that a tail attachment assembly is arranged at one end of the plug assembly and comprises an extension rod (9), an extension rod sealing ring (12) is arranged at one end of the extension rod (9), a pressing ring (11) is arranged at the other end of the extension rod (9), a pressing ring sealing ring (13) is sleeved on the outer surface of the pressing ring (11), and an extension rod tail cover (10) is arranged at one end of the extension rod (9) in a threaded mode.

3. The watertight connector sealing structure according to claim 2, characterized in that: screw thread grooves are formed in the top end and the bottom end of the outer surface of the plug housing (1) of the pressing ring (11), the pressing ring (11) is fixed at one end of the inside of the extension rod (9) by adopting two headless screws, and a through hole is formed in the middle of the pressing ring (11).

4. The watertight connector sealing structure according to claim 1, characterized in that: the socket assembly is installed to the other end of plug assembly, the socket assembly includes socket shell (14), the internally mounted of socket shell (14) has socket main part (15), install two electric contact pin (16) in the hole of socket main part (15), main part rubber pad (18) are installed to the one end of socket main part (15), socket packing ring (17) are installed to one side of main part rubber pad (18), ring flange rubber pad (19) are installed to the one end of socket shell (14).

5. The watertight connector sealing mechanism as claimed in claim 4, characterized in that: the socket is characterized in that one end of the outer surface of the socket shell (14) is provided with threads, the threads are matched with externally reserved threaded holes, and the flange rubber pad (19) is used for sealing the chassis.